3-(3-PYRIMIDIN-2-YL-BENZYL)-[1,2,4]TRIAZOLO[4,3-B]PYRIDAZINE DERIVATIVES AS MET KINASE INHIBITORS

摘要

Compounds of the formula (I), in which R1, R2, R3, R3', R4 have the meanings indicated in Claim 1, are inhibitors of tyrosine kinases, in particular of Met kinase, and can be employed, inter alia, for the treatment of tumors.